问题描述
我对谷歌App Engine上运行一个Web服务,我就从Android设备调用可用的服务。我一直遵循与合并有关KSoap2最教程code,但我仍然获得Android的一个例外。这是code:
私有静态字符串METHOD_NAME =的getData;
私人静态字符串SOAP_ACTION =http://example.com/getData;
私人静态字符串WSDL_URL =http://arduino-data-server.appspot.com/FunctionsService.wsdl;
私人静态字符串NAMESPACE =http://example.com/;SoapObject要求=新SoapObject空间(namespace,METHOD_NAME);SoapSerializationEnvelope信封=新SoapSerializationEnvelope(
SoapEnvelope.VER12);
envelope.setOutputSoapObject(请求);HttpTransportSE androidHttpTransport =新HttpTransportSE(WSDL_URL);
尝试{
androidHttpTransport.call(SOAP_ACTION,信封);SoapObject结果=(SoapObject)envelope.getResponse();
如果(结果!= NULL){
TextView的T =(TextView中)this.findViewById(R.id.text_view); t.setText(SOAP响应:\\ n \\ n+ result.getProperty(0)的ToString());
}
}赶上(IOException异常五){
// TODO自动生成catch块
e.printStackTrace();
}赶上(XmlPullParserException E){
// TODO自动生成catch块
e.printStackTrace();
}
这就是错误日志:
09-03 18:09:04.805:W / dalvikvm(28352):主题ID = 1:螺纹未捕获的异常(组= 0x41909700)退出
09-03 18:09:04.821:E / AndroidRuntime(28352):致命异常:主要
09-03 18:09:04.821:E / AndroidRuntime(28352):了java.lang.RuntimeException:无法启动活动ComponentInfo {com.example.provasoap / com.example.provasoap.MainActivity}:android.os.NetworkOnMainThreadException
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.app.ActivityThread.access $ 600(ActivityThread.java:141)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1256)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.os.Handler.dispatchMessage(Handler.java:99)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.os.Looper.loop(Looper.java:137)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.app.ActivityThread.main(ActivityThread.java:5103)
09-03 18:09:04.821:E / AndroidRuntime(28352):在java.lang.reflect.Method.invokeNative(本机方法)
09-03 18:09:04.821:E / AndroidRuntime(28352):在java.lang.reflect.Method.invoke(Method.java:525)
09-03 18:09:04.821:E / AndroidRuntime(28352):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:737)
09-03 18:09:04.821:E / AndroidRuntime(28352):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
09-03 18:09:04.821:E / AndroidRuntime(28352):在dalvik.system.NativeStart.main(本机方法)
09-03 18:09:04.821:E / AndroidRuntime(28352):由:android.os.NetworkOnMainThreadException
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.os.StrictMode $ AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1133)
09-03 18:09:04.821:E / AndroidRuntime(28352):在java.net.InetAddress.lookupHostByName(InetAddress.java:385)
09-03 18:09:04.821:E / AndroidRuntime(28352):在java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
09-03 18:09:04.821:E / AndroidRuntime(28352):在java.net.InetAddress.getAllByName(InetAddress.java:214)
。09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpConnection<&初始化GT;(HttpConnection.java:70)
。09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpConnection<&初始化GT;(HttpConnection.java:50)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpConnection $ Address.connect(HttpConnection.java:340)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpEngine.connect(HttpEngine.java:311)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:81)
09-03 18:09:04.821:E / AndroidRuntime(28352):在libcore.net.http.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:197)
09-03 18:09:04.821:E / AndroidRuntime(28352):在org.ksoap2.transport.ServiceConnectionSE.openOutputStream(ServiceConnectionSE.java:126)
09-03 18:09:04.821:E / AndroidRuntime(28352):在org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:179)
09-03 18:09:04.821:E / AndroidRuntime(28352):在org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:116)
09-03 18:09:04.821:E / AndroidRuntime(28352):在org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:111)
09-03 18:09:04.821:E / AndroidRuntime(28352):在com.example.provasoap.MainActivity.onCreate(MainActivity.java:47)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.app.Activity.performCreate(Activity.java:5133)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
09-03 18:09:04.821:E / AndroidRuntime(28352):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
09-03 18:09:04.821:E / AndroidRuntime(28352):... 11个
试试吧..
尝试使用下面的code你mainactivityactivity低于在的setContentView()
来避免networkOnmainThread例外。
如果(android.os.Build.VERSION.SDK_INT> 9){
。StrictMode.ThreadPolicy政策=新StrictMode.ThreadPolicy.Builder()permitAll()建();
StrictMode.setThreadPolicy(政策);
}
不过,在做内部使用的AsyncTask不阻塞主线程后台线程操作重将是巨大的!
和还提到此链接...
I have a webservice running on Google app engine, and i would to call a available service from an android device. I've follow and merge code of most tutorial about KSoap2, but i still obtain an exception on android. this is the code:
private static String METHOD_NAME = "getData";
private static String SOAP_ACTION = "http://example.com/getData";
private static String WSDL_URL = "http://arduino-data-server.appspot.com/FunctionsService.wsdl";
private static String NAMESPACE = "http://example.com/";
SoapObject request = new SoapObject(NAMESPACE, METHOD_NAME);
SoapSerializationEnvelope envelope = new SoapSerializationEnvelope(
SoapEnvelope.VER12);
envelope.setOutputSoapObject(request);
HttpTransportSE androidHttpTransport = new HttpTransportSE(WSDL_URL);
try {
androidHttpTransport.call(SOAP_ACTION, envelope);
SoapObject result = (SoapObject) envelope.getResponse();
if (result != null) {
TextView t = (TextView) this.findViewById(R.id.text_view);
t.setText("SOAP response:\n\n"+ result.getProperty(0).toString());
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (XmlPullParserException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
and that's the error log:
09-03 18:09:04.805: W/dalvikvm(28352): threadid=1: thread exiting with uncaught exception (group=0x41909700)
09-03 18:09:04.821: E/AndroidRuntime(28352): FATAL EXCEPTION: main
09-03 18:09:04.821: E/AndroidRuntime(28352): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.provasoap/com.example.provasoap.MainActivity}: android.os.NetworkOnMainThreadException
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.app.ActivityThread.access$600(ActivityThread.java:141)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.os.Handler.dispatchMessage(Handler.java:99)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.os.Looper.loop(Looper.java:137)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.app.ActivityThread.main(ActivityThread.java:5103)
09-03 18:09:04.821: E/AndroidRuntime(28352): at java.lang.reflect.Method.invokeNative(Native Method)
09-03 18:09:04.821: E/AndroidRuntime(28352): at java.lang.reflect.Method.invoke(Method.java:525)
09-03 18:09:04.821: E/AndroidRuntime(28352): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
09-03 18:09:04.821: E/AndroidRuntime(28352): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
09-03 18:09:04.821: E/AndroidRuntime(28352): at dalvik.system.NativeStart.main(Native Method)
09-03 18:09:04.821: E/AndroidRuntime(28352): Caused by: android.os.NetworkOnMainThreadException
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1133)
09-03 18:09:04.821: E/AndroidRuntime(28352): at java.net.InetAddress.lookupHostByName(InetAddress.java:385)
09-03 18:09:04.821: E/AndroidRuntime(28352): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:236)
09-03 18:09:04.821: E/AndroidRuntime(28352): at java.net.InetAddress.getAllByName(InetAddress.java:214)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:70)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:340)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:87)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:316)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpEngine.connect(HttpEngine.java:311)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:290)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:240)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:81)
09-03 18:09:04.821: E/AndroidRuntime(28352): at libcore.net.http.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:197)
09-03 18:09:04.821: E/AndroidRuntime(28352): at org.ksoap2.transport.ServiceConnectionSE.openOutputStream(ServiceConnectionSE.java:126)
09-03 18:09:04.821: E/AndroidRuntime(28352): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:179)
09-03 18:09:04.821: E/AndroidRuntime(28352): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:116)
09-03 18:09:04.821: E/AndroidRuntime(28352): at org.ksoap2.transport.HttpTransportSE.call(HttpTransportSE.java:111)
09-03 18:09:04.821: E/AndroidRuntime(28352): at com.example.provasoap.MainActivity.onCreate(MainActivity.java:47)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.app.Activity.performCreate(Activity.java:5133)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
09-03 18:09:04.821: E/AndroidRuntime(28352): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
09-03 18:09:04.821: E/AndroidRuntime(28352): ... 11 more
Try it..
Try using the below code inside your mainactivityactivity below setContentView()
to avoid networkOnmainThread exception..
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
But, doing heavy operation inside background thread using AsyncTask without blocking main thread would be great!
And also refer this link...
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